[3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene

Base Information

• Chemical Name: [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene
• CAS No.: 478800-09-8
• Molecular Formula: C₂₈H₄₈O₄Si
• Molecular Weight: 476.772
• Mol file: 478800-09-8.mol

Synonyms:[3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene

Chemical Property of [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene

There total 2 articles about [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.0%

Methyltriphenylphosphonium bromide (1779-49-3) + (2R,3R,4R)-4-[(2R,4R,5R)-2-(4-Methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-methyl-3-triisopropylsilanyloxy-pentanal (478800-40-7) → [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene (478800-09-8)

Guidance literature:

Methyltriphenylphosphonium bromide; With n-butyllithium; In tetrahydrofuran; hexane; at -15 ℃; for 0.166667h;

(2R,3R,4R)-4-[(2R,4R,5R)-2-(4-Methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-methyl-3-triisopropylsilanyloxy-pentanal; In tetrahydrofuran; hexane; at -15 - 25 ℃; for 16h;

DOI:10.1055/s-2002-34386

Reference yield:

[1S,2R,3R,4R,5R,5(4R),5(5R)]-1-cyclohexyl-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hexan-1,2-diol → [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene (478800-09-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 97 percent / Pb(OAc)4 / benzene; methanol / 0.5 h / 0 °C

2.1: BuLi / tetrahydrofuran; hexane / 0.17 h / -15 °C

2.2: 95 percent / tetrahydrofuran; hexane / 16 h / -15 - 25 °C

With lead(IV) acetate; n-butyllithium; In tetrahydrofuran; methanol; hexane; benzene; 2.2: Wittig reaction;

DOI:10.1055/s-2002-34386

Reference yield: 99.0%

[3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hex-1-ene (478800-09-8) → [3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hexane (478800-10-1)

Guidance literature:

With hydrogen; palladium on activated charcoal; In ethyl acetate; at 25 ℃; for 0.75h;

DOI:10.1055/s-2002-34386

upstream raw materials:

Methyltriphenylphosphonium bromide

(2R,3R,4R)-4-[(2R,4R,5R)-2-(4-Methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-methyl-3-triisopropylsilanyloxy-pentanal

Downstream raw materials:

[3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methyl-4-(triisopropylsilanyloxy)hexane

[3S,4S,5R,5(2R),5(4R)]-5-{2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl}-3-methylhexan-4-one

(2S,3S,4S)-2-[(2R,4R,5R)-2-(4-Methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-4-methyl-hexan-3-ol

(2R,3R,4R,5S,6S)-3-(4-Methoxy-benzyloxy)-2,4,6-trimethyl-5-triisopropylsilanyloxy-octan-1-ol